3-Ethylpyridine Structure

3-Ethylpyridine

Chemical Properties

Melting point -77 °C
Boiling point 163-166 °C (lit.)
Density  0.954 g/mL at 25 °C (lit.)
FEMA  3394 | 3-ETHYLPYRIDINE
refractive index  n20/D 1.502(lit.)
FLAVIS Number 14.061 | 3-Ethylpyridine
Flash point 120 °F
solubility  alcohol: freely soluble
form  clear liquid
pka pK1:5.80(+1) (20°C)
Specific Gravity 0.954
color  Colorless to Almost colorless
Odor at 0.10 % in dipropylene glycol. tobacco oakmoss leather
Odor Type tobacco
biological source synthetic
Water Solubility  270.1g/L(196 ºC)
Sensitive  Hygroscopic
Merck  14,3848
JECFA Number 1315
BRN  106479
Henry's Law Constant 9.5×10-1 mol/(m3Pa) at 25℃, Andon et al. (1954)
Stability Stable. Flammable. Incompatible with strong oxidizing agents, strong acids. May be moisture sensitive.
Cosmetics Ingredients Functions PERFUMING
InChI 1S/C7H9N/c1-2-7-4-3-5-8-6-7/h3-6H,2H2,1H3
InChIKey MFEIKQPHQINPRI-UHFFFAOYSA-N
SMILES CCc1cccnc1
LogP 1.66
CAS DataBase Reference 536-78-7(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) 3-ETHYLPYRIDINE
EWG's Food Scores 1
FDA UNII A25I3EZ88V
NIST Chemistry Reference 3-(C2H5)-pyridine(536-78-7)
EPA Substance Registry System 3-Ethylpyridine (536-78-7)
UNSPSC Code 12352100
NACRES NA.22

Safety

Symbol(GHS) Flame (GHS02)Exclamation Mark (GHS07)
Signal wordWarning
Hazard statements H315-H319-H226
Precautionary statements P501-P240-P210-P233-P243-P241-P242-P264-P280-P370+P378-P337+P313-P305+P351+P338-P362+P364-P303+P361+P353-P332+P313-P403+P235
Hazard Codes  Xi,C
Risk Statements  10-36/37/38-34-23/24/25
Safety Statements  16-26-36/37-45-36/37/39
RIDADR  UN 1993 3/PG 3
WGK Germany  3
TSCA  TSCA listed
HazardClass  3
PackingGroup  III
HS Code  29333990
Storage Class 3 - Flammable liquids
Hazard Classifications Eye Irrit. 2
Flam. Liq. 3
Skin Irrit. 2
STOT SE 3
NFPA 704:
2
2 0

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